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FLORIDA
STORMS
Tropical Storm Theta
LOCATED
575 MI SE OF THE AZORES
WINDS
40 MPH
PRESSURE
1000 MB
MOVING
E AT 8 MPH
From the National Hurricane Center at 300 PM GMT Sat Nov 14 2020
THETA EXPECTED TO BECOME A REMNANT LOW BY TONIGHT
TAP LINKS BELOW TO FOCUS
Alerts
hazards
summary
DISCUSSION

There are no coastal watches or warnings in effect.

There are no coastal watches or warnings in effect.

None.

None.

At 300 PM GMT (1500 UTC), the center of Tropical Storm Theta was located near latitude 31.8 North, longitude 20.2 West. Theta is moving toward the east near 8 mph (13 km/h), and this general motion with a gradual decrease in forward speed is expected through Sunday. A sharp northward turn is forecast to occur Sunday night, with that motion continuing into early next week.

Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Weakening is expected over the next few days, and Theta is forecast to become a remnant low by tonight, and dissipate early next week. Tropicalstormforce winds extend outward up to 90 miles (150 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 inches).

At 300 PM GMT (1500 UTC), the center of Tropical Storm Theta was located near latitude 31.8 North, longitude 20.2 West. Theta is moving toward the east near 8 mph (13 km/h), and this general motion with a gradual decrease in forward speed is expected through Sunday. A sharp northward turn is forecast to occur Sunday night, with that motion continuing into early next week.

Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Weakening is expected over the next few days, and Theta is forecast to become a remnant low by tonight, and dissipate early next week. Tropicalstormforce winds extend outward up to 90 miles (150 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 inches).

Theta's center continues to be devoid of deep convection as dry air entrains into the system's circulation. The edge of the only nearby surviving convection is located about 60 n mi to the southeast of the cyclone's center due to increasing northwesterly shear. A recent ASCAT overpass showed a fair amount of wind vectors of 30-34 kt, therefore the initial intensity remains 35 kt for this advisory. The shear is expected to increase even more today, and the surrounding environment is forecast to dry out further. These factors, that should persist for at least the next few days, should prevent any new convection from developing near the center of Theta. The latest NHC forecast calls for the system to become a remnant low in 12 h and dissipate in 72 h, as the circulation gradually spins down.

The storm is now moving just south of due east around 7 kt as it is steered along the northern periphery of a mid-level ridge. This ridge is forecast to weaken over the next couple of days, which will cause Theta to slow its forward motion. Early next week, increasing southerly flow ahead of an approaching cold front should pick up the remnants of Theta and accelerate them northward, and then northeastward. The latest NHC track forecast is similar to the previous one and lies near the track consensus models.

Theta's center continues to be devoid of deep convection as dry air entrains into the system's circulation. The edge of the only nearby surviving convection is located about 60 n mi to the southeast of the cyclone's center due to increasing northwesterly shear. A recent ASCAT overpass showed a fair amount of wind vectors of 30-34 kt, therefore the initial intensity remains 35 kt for this advisory. The shear is expected to increase even more today, and the surrounding environment is forecast to dry out further. These factors, that should persist for at least the next few days, should prevent any new convection from developing near the center of Theta. The latest NHC forecast calls for the system to become a remnant low in 12 h and dissipate in 72 h, as the circulation gradually spins down.

The storm is now moving just south of due east around 7 kt as it is steered along the northern periphery of a mid-level ridge. This ridge is forecast to weaken over the next couple of days, which will cause Theta to slow its forward motion. Early next week, increasing southerly flow ahead of an approaching cold front should pick up the remnants of Theta and accelerate them northward, and then northeastward. The latest NHC track forecast is similar to the previous one and lies near the track consensus models.

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